I-57 (sb) over S Fork Flat Branch
Fair Condition59 years old11,350 vehicles/day
Location
| State | Illinois |
| County | Coles |
| Location | .5 Mi S Humboldt |
| Carries | I-57 (sb) |
| Crosses | S Fork Flat Branch |
| Coordinates | 39.59606, -88.30451 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 92.5 ft (28.2 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 43.6 ft (13.3 m) |
| Deck Area | 375.1 sq m |
| Main Spans | 3 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 11,350 (2023) |
| Truck Traffic | 38% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 015001000000000 |